本文通过大量的粉煤灰击实试验和相对密度试验，分析了试验方法对设计密度的影响。
This paper presents testing results on a wide range of fly ash, after analyzing the effects of test methods on the resulted density.
本文通过大量的粉煤灰击实试验和相对密度试验，分析了试验方法对设计密度的影响。
It is required for designing compaction density in the field to have both testing results from the relative density test and the Proctor compaction tests.
从温度控制、空白试验、操作过程和加强管理等方面，阐述了如何在煤的真相对密度的测试过程中提高测定的准确度。
This paper discussed on how to improve the accuracy of coal true relative density measurement in temperature control, blank experiment, process control and enhancing management.
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